Plastic bag sealer



FIG. 1 is a left side elevational view of a plastic bag sealer showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side view thereof in inverted condition;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for a plastic bag sealer, as shown and described. 